G-Form Pro-X3 Knee Guard Black L
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Description
Specifications
- Brand
- G-Form
- Category
- Protection
- Discipline
- MTB
- Size
- XS, S, L, XL, XXL
- SKU
- KP1102015
Size guide
G-Form knee and elbow pads
Fit tip Go by the thigh or bicep first; G-Form pads should feel snug with the knee or elbow bent and not slide when you pedal, so if you're between sizes and they'll be worn for long rides, try the smaller one.
How to measure
Knee pads: measure around your thigh 15 cm above the top of the kneecap (10 cm for children) and around the widest part of your calf. Elbow pads: measure around the widest part of your bicep, and around your forearm 13 to 15 cm below the elbow (7.5 cm for children). Go by the thigh or bicep first; G-Form pads should feel snug with the knee or elbow bent and not slide when you pedal, so if you're between sizes and they'll be worn for long rides, try the smaller one.
Find my size
Enter what you can measure; we'll match it to the table.
| Size | Thigh (cm) | Calf (cm) |
|---|---|---|
| Youth S/M | 25.5-30.5 | 16.5-21.5 |
| Youth L/XL | 30.5-35.5 | 21.5-27 |
| XS | 35.5-39.5 | 28-33 |
| S | 39.5-42 | 33-35.5 |
| M | 42-44.5 | 35.5-38 |
| L | 44.5-47 | 38-40.5 |
| XL | 47-51 | 40.5-45.5 |
| XXL | 58.5-62 | 43-45 |
| Size | Bicep (cm) | Forearm (cm) |
|---|---|---|
| Youth S/M | 20-24 | 12.5-15 |
| Youth L/XL | 24-28 | 15-18 |
| XS | 25.5-29 | 15-19 |
| S | 29-32 | 19-21.5 |
| M | 32-34.5 | 21.5-24 |
| L | 34.5-37 | 24-26.5 |
| XL | 37-40.5 | 26.5-30.5 |
Sizes are from G-Form's Pro-X sizing, which G-Form use across their knee and elbow pads; the Pro Rugged knee-shin guards use the knee pad sizes. The XXL knee size starts at a 58.5 cm thigh, as published, so there's a jump from XL. Shin-only guards, ankle guards and padded shorts have their own sizing; ask us for those.
Delivery & returns
- Express: order by 3.30pm on a working day for next working day delivery (items in stock at Biggin Hill)
- Standard: free UK delivery on orders over £50
- Free click & collect from Biggin Hill, TN16
- 60-day returns – how to return an item
Reviews
G-Form knee and elbow pads
Fit tip Go by the thigh or bicep first; G-Form pads should feel snug with the knee or elbow bent and not slide when you pedal, so if you're between sizes and they'll be worn for long rides, try the smaller one.
How to measure
Knee pads: measure around your thigh 15 cm above the top of the kneecap (10 cm for children) and around the widest part of your calf. Elbow pads: measure around the widest part of your bicep, and around your forearm 13 to 15 cm below the elbow (7.5 cm for children). Go by the thigh or bicep first; G-Form pads should feel snug with the knee or elbow bent and not slide when you pedal, so if you're between sizes and they'll be worn for long rides, try the smaller one.
Find my size
Enter what you can measure; we'll match it to the table.
| Size | Thigh (cm) | Calf (cm) |
|---|---|---|
| Youth S/M | 25.5-30.5 | 16.5-21.5 |
| Youth L/XL | 30.5-35.5 | 21.5-27 |
| XS | 35.5-39.5 | 28-33 |
| S | 39.5-42 | 33-35.5 |
| M | 42-44.5 | 35.5-38 |
| L | 44.5-47 | 38-40.5 |
| XL | 47-51 | 40.5-45.5 |
| XXL | 58.5-62 | 43-45 |
| Size | Bicep (cm) | Forearm (cm) |
|---|---|---|
| Youth S/M | 20-24 | 12.5-15 |
| Youth L/XL | 24-28 | 15-18 |
| XS | 25.5-29 | 15-19 |
| S | 29-32 | 19-21.5 |
| M | 32-34.5 | 21.5-24 |
| L | 34.5-37 | 24-26.5 |
| XL | 37-40.5 | 26.5-30.5 |
Sizes are from G-Form's Pro-X sizing, which G-Form use across their knee and elbow pads; the Pro Rugged knee-shin guards use the knee pad sizes. The XXL knee size starts at a 58.5 cm thigh, as published, so there's a jump from XL. Shin-only guards, ankle guards and padded shorts have their own sizing; ask us for those.






